Answer:
x( xy )
Step-by-step explanation:
Given:
4x + 7 = 23
Let's solve for x.
First Step:
Subtract 7 from both sides
4x + 7 - 7 = 23 - 7
4x = 16
Next Step:
DIvide both sides by 4
ANSWER:
x = 4
sin 30=14/x
x=14*2
x=28
and
x=√{28²-14²}
x=14√3